Finding the Fourth Proportional to 255,276.99, 382,915.48 and 68,283.63
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Solution
The fourth proportional to 255,276.99, 382,915.48 and 68,283.63 is: 102,425.44
Step by Step Solution
- Step 1: Write the proportion equation
255,276.99 : 382,915.48 = 68,283.63 : x - Step 2: Convert to fraction form
255,276.99/382,915.48 = 68,283.63/x - Step 3: Cross multiply
255,276.99x = 382,915.48 × 68,283.63 - Step 4: Simplify right side
255,276.99x = 26,146,856,872.31 - Step 5: Solve for x
x = 26,146,856,872.31/255,276.99 - Step 6: Final answer
x = 102,425.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.